872665448 has 32 divisors (see below), whose sum is σ = 1766275200. Its totient is φ = 402967488.

The previous prime is 872665427. The next prime is 872665463. The reversal of 872665448 is 844566278.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 872665396 and 872665405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76436 + ... + 87107.

It is an arithmetic number, because the mean of its divisors is an integer number (55196100).

Almost surely, 2^872665448 is an apocalyptic number.

It is an amenable number.

872665448 is an abundant number, since it is smaller than the sum of its proper divisors (893609752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

872665448 is a wasteful number, since it uses less digits than its factorization.

872665448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163601 (or 163597 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 50.

The square root of 872665448 is about 29540.9114280518. The cubic root of 872665448 is about 955.6141980676.

The spelling of 872665448 in words is "eight hundred seventy-two million, six hundred sixty-five thousand, four hundred forty-eight".